Pka
[医][=prekallikrein activator]前激肽释放酶激活剂
🗣️ 情景例句
He is a big fan of the NBA games.
他是NBA的铁杆球迷。
I'm a graduate of Yale University.I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。